/**
 * Copyright (C) 2011 Andrew C. Love (DNC) <dnc.app.sup@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.dnc.cloak.service;

import com.dnc.cloak.framework.context.Context;
import com.dnc.cloak.framework.security.encryption.ConfidentialData;
import com.dnc.cloak.framework.security.encryption.EncryptedData;
import com.dnc.cloak.framework.security.encryption.EncryptionException;
import com.dnc.cloak.framework.security.encryption.KeyContext;
import com.dnc.cloak.framework.service.Service;
import com.dnc.cloak.framework.service.ServiceException;

public interface EncryptionService extends Service {
    
    EncryptedData encryptSymmetric(Context context, KeyContext keyContext , ConfidentialData confidentialData) throws EncryptionException, ServiceException;

    ConfidentialData decryptSymmetric(Context context, KeyContext keyContext, EncryptedData encryptedData) throws EncryptionException, ServiceException;

    EncryptedData encryptAsymmetric(Context context, KeyContext keyContext, ConfidentialData confidentialData) throws EncryptionException, ServiceException;

    ConfidentialData decryptAsymmetric(Context context, KeyContext keyContext, EncryptedData encryptedData) throws EncryptionException, ServiceException;

    EncryptedData encryptSessionKey(Context context, KeyContext keyContext, ConfidentialData confidentialData) throws EncryptionException, ServiceException;

    ConfidentialData decryptSessionKey(Context context, KeyContext keyContext, EncryptedData encryptedData) throws EncryptionException, ServiceException;
        
    KeyContext getCertificate(Context context, KeyContext keyContext) throws EncryptionException, ServiceException;

    KeyContext getPublicKey(Context context, KeyContext keyContext) throws EncryptionException, ServiceException;

    KeyContext getPrivateKey(Context context, KeyContext keyContext) throws EncryptionException, ServiceException;

    KeyContext getSymmetricKey(Context context, KeyContext keyContext) throws EncryptionException, ServiceException;
    
    KeyContext createSymmetricKey(Context context, KeyContext keyContext) throws EncryptionException, ServiceException;
   
}
